:root{--ink:#241a35;--paper:#fffaf0;--page:#f2ecff;--muted:#625a6d;--violet:#9b7ede;--violet-dark:#6446a6;--mint:#a8e6cf;--yellow:#ffd166;--blue:#4d96ff;--grid-line:#e4ddea;--display-font:"Arial Black", "Segoe UI Black", system-ui, sans-serif;--pixel-font:ui-monospace, "Cascadia Mono", Consolas, monospace;color:var(--ink);background:var(--page);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;min-width:320px;min-height:100%}body{background-color:var(--page);background-image:linear-gradient(#6446a60f 1px,#0000 1px),linear-gradient(90deg,#6446a60f 1px,#0000 1px);background-size:24px 24px;min-width:320px;min-height:100vh;margin:0}button,input{font-family:inherit}::selection{color:var(--paper);background:var(--violet-dark)}.app-shell{width:min(1120px,100% - 32px);margin:0 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var(--ink);grid-template-columns:minmax(210px,.65fr) minmax(0,1.35fr);gap:clamp(32px,6vw,72px);padding:clamp(28px,5vw,54px);display:grid}.lobby-heading h2{color:var(--ink);font-family:var(--display-font);letter-spacing:-.045em;margin:0;font-size:clamp(2rem,4vw,3.4rem);line-height:1}.lobby-controls{min-width:0}.field{color:var(--ink);gap:8px;font-weight:800;display:grid}.field span{letter-spacing:.05em;text-transform:uppercase;font-size:.82rem}input,button{box-sizing:border-box;min-height:50px;font:inherit;border-radius:0}input{width:100%;color:var(--ink);background:var(--paper);border:2px solid var(--ink);outline:none;padding:0 14px;font-size:16px}input:focus{box-shadow:4px 4px 0 var(--violet-dark)}input::placeholder{color:#756e7f}button{border:2px solid var(--ink);cursor:pointer;font-family:var(--pixel-font);letter-spacing:.02em;padding:0 18px;font-size:.8rem;font-weight:900;transition:transform .12s,box-shadow 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